Convert CSV to Excel

Convert CSV to Excel in your browser. Live preview, file import, trim and header options, and export to .xlsx with one click.

Paste your input above or import a file below.
No file chosen
Supported file types: .txt, .csv
Total characters: 0
Options
Use first row as headers
Trim fields

How to Use:

  • Paste your CSV content into the CSV Input box, or click Choose File to upload a .csv or .txt file.
  • The tool instantly converts your data into an Excel-compatible format using the SheetJS library.
  • Use the Options panel to control output behavior:
    • Sheet Name: Set a custom name for your Excel sheet (default is “Sheet1”).
    • Use first row as headers: Treats the first row as column names.
    • Trim fields: Removes leading and trailing whitespace from every value.
  • The Excel Preview (JSON) box shows a structured preview of your data.
  • Under the output, you’ll see a Total characters counter showing the JSON preview size.
  • Click Copy Output to copy the preview to your clipboard.
  • Click Export to Excel to download your file as converted.xlsx.
  • Use Clear All to reset all input, output, file name, and options.

What Convert CSV to Excel can do:

This tool converts structured text into a downloadable .xlsx file instantly no install, no server. You can trim values, define headers, and set the worksheet name, making it perfect for quick spreadsheet generation from raw CSV. It’s great for developers, analysts, or anyone working with data on the fly. Because the export runs entirely in your browser, your data stays private and secure. A live JSON preview helps verify results before you download.

Example:

Input:

name,age,city
Alice,30,New York
Bob,25,Los Angeles

Output Preview (JSON):

[
  ["name", "age", "city"],
  ["Alice", "30", "New York"],
  ["Bob", "25", "Los Angeles"]
]

Common Use Cases:

Use it when you need to transform exported data into Excel format, send spreadsheets without opening Excel, or clean and format quick test data. It’s ideal for developers building downloadable tables or working across CSV and Excel tools.

Useful Tools & Suggestions:

After conversion, use Sort CSV Rows to organize your data before loading it into Excel. And if you’re prepping for export, Rename CSV Columns helps ensure the headers are clear and well-structured.

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